Authorities in Alexandria, less than 40 miles southwest of Jena, arrested two people who were driving a red pickup Thursday night with two nooses hanging off the back, repeatedly passing groups of demonstrators who were waiting for buses back to their home states.

The marchers had taken part in the huge protests in Jena that accused authorities there of injustice in the handling of racially charged cases -- including the hanging of nooses in a tree after a group of black students sat in an area where traditionally only white students sat.

The driver of the red truck, whom Alexandria police identified as Jeremiah Munsen, 18, was charged with contributing to the delinquency of a minor -- a reference to the 16-year-old passenger. Munsen also was charged with driving while intoxicated and inciting to riot, according to the police report.

As officials were questioning the driver, he said he had an unloaded rifle in the back of the truck, which police found. They also found a set of brass knuckles in a cup holder on the dashboard, the police report said. Watch cops respond to the dangling nooses »

The passenger told police he and his family are in the Ku Klux Klan and that he had KKK tattooed on his chest, the police report said. He also said that he tied the nooses and that the brass knuckles belonged to him, the report said.

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The report, filed by Officer F.R. Drewett, said he and another officer were standing with protesters awaiting their bus back to Nashville, Tennessee, when one of the group told him about a truck driving with nooses hanging off the back.

The truck was circling around town, repeatedly driving past groups of demonstrators, the report said. The officers pulled the pickup over and arrested two after searching the vehicle.

At least one of the nooses was made out of an extension cord, according to the police report.